Cheapest return flights from Athens to Ljubljana in September from 140€

Best time to book flights for Athens (ATH) to Ljubljana (LJU) flights at AirHint

AirHint found the following cheapest return flights from Athens (ATH) to Ljubljana (LJU) in September 2025 (see full year).

Return flights

09 Sep - 12 Sep Aegean Airlines
12 Sep - 14 Sep Air Serbia
12 Sep - 16 Sep Air Serbia
12 Sep - 19 Sep Air Serbia
05 Sep - 12 Sep Air Serbia
26 Sep - 28 Sep Air Serbia
12 Sep - 16 Sep Aegean Airlines direct
09 Sep - 12 Sep Aegean Airlines direct
07 Sep - 10 Sep Air Serbia
05 Sep - 12 Sep Aegean Airlines direct

Also check the deals for one-way flights from Athens to Ljubljana in September.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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